package org.example.demo_ottery.service.impl;

import org.example.demo_ottery.common.errorcode.ServiceErrorCodeConstants;
import org.example.demo_ottery.common.exception.ServiceException;
import org.example.demo_ottery.common.utils.*;
import org.example.demo_ottery.service.VerificationCodeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;


@Service
public class VerificationCodeServiceImpl implements VerificationCodeService {
    @Autowired
    SMSUtil smsUtil;

    @Autowired
    RedisUtil redisUtil;

    private static final String VERIFICATION_CODE_PREFIX = "VERIFICATION_CODE_";

    private static final Long VERIFICATION_CODE_TIMEOUT = 60L;

    private static final String VERIFICATION_CODE_TEMPLATE_CODE = "SMS_476785514";
    @Override
    public void sendVerificationCodd(String phoneNumber) {
        if(!RegexUtil.checkMobile(phoneNumber)) {
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_ERROR);
        }
        //生成随机验证码
        String code = CaptchaUtil.getCaptcha(4);

        Map<String,String> map = new HashMap<>();
        map.put("code",code);

        smsUtil.sendMessage(VERIFICATION_CODE_TEMPLATE_CODE,phoneNumber,
                JacksonUtil.writeValueAsString(map));

        redisUtil.set(VERIFICATION_CODE_PREFIX+phoneNumber,code,VERIFICATION_CODE_TIMEOUT);
    }

    @Override
    public String getVerificationCode(String phoneNumber) {
        if (!RegexUtil.checkMobile(phoneNumber)) {
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_ERROR);
        }

        return redisUtil.get(VERIFICATION_CODE_PREFIX+phoneNumber);
    }
}
